NGC 2237 "Rosette Nebula" in narrowband bicolor (hydrogen alpha, oxygen III)

• Sky-Watcher BK P2001 with TS Optics 2" Dual Speed Focuser

• EQ6-R Pro

• ZWO ASI1600MM-Pro

 

• Baader Hα 7nm: 10x600s

• Baader OIII 8.5nm: 10x600s

(total integration 3.3h)

• -10°, Gain 139 (UG)

 

• Baader MPCC Mark III coma corrector

• 50x200 guide scope, ZWO ASI120MM-S guide cam

 

Captured with ZWO EFW, ZWO EAF, ZWO ASIAIR, Pegasus Astro Powerbox

 

Saint Petersburg, Russia. Red light pollution zone, balcony

Done